Title: Performance Tuning Guidelines for Mellanox Network Adapters
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In this article I will give an example of creating a disk in RAM.
Continue reading “Creating a RAMdisk on Ubuntu”
BNG Blaster is a testing tool, it can create thousands of virtual PPPoE and IPoE clients to test the performance of access servers, it also supports IGMP, QinQ, IPv6, etc.
Continue reading “Using BNG Blaster”
Once I needed to make several mirrors in different countries for files that were often downloaded by users, so I made two scripts for synchronization.
Continue reading “File mirroring script”
Receive Packet Steering (RPS) is a software implementation of RSS. Useful for example when there are fewer interrupts on the network interface than the processor cores.
Continue reading “Configuring RPS (Receive Packet Steering)”
I will give an example of configuring LAG (LACP) on a Cisco Nexus 3064.
Continue reading “LACP Link Aggregation on Cisco Nexus 3064”
In this article I will describe the process of moving the MySQL data directory to a separate location, namely on a level 10 raid with 4 disks, this will increase performance.
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ASPM (Active-State Power Management) is used to manage the power consumption of PCI Express buses, even if the PCIe device is in use and may affect the device’s response delay.
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In this article I will give an example of changing gc_thresh on Linux, this parameter usually needs to be increased on highly loaded access servers.
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Since InnoDB is more reliable for storing important data and is more efficient with frequent write requests, I will convert MyISAM tables to InnoDB, in old databases, in one of the companies.
Continue reading “How to convert MySQL tables from MyISAM to InnoDB”